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DGB-403F portable residual chlorine chlorine dioxide tester is designed and developed based on the DPD colorimetric method. It can directly measure residual chlorine, total chlorine and chlorine dioxide in water. It is easy to use, accurate and reliable. This method conforms to the national standards for determining relevant indicators in the field of water quality analysis, and is widely used in the determination of residual chlorine, total chlorine and chlorine dioxide in samples of drinking water, landscape water, medical wastewater, swimming pool water, and disinfectants.
Features
DGB-402F
Free chlorine, total chlorine
DGB-403F
Free chlorine, total chlorine, chlorine dioxide.
GENERAL FEATURE
* 515 nm LED light source.
* Methods are pre-installed with calibration curves built-in.
* 1 to 5 points calibration is supported.
* Auto-Read feature senses and locks the measurement endpoint.
* Data capacity of up to 200 sets for each testing method (GLP-compliant).
* Data stored can be transferred into the computer by USB communication interface.
* Auto-power-off feature effectively extends the battery usage time.
* Reset feature restore all option to factory default options.
* IP65 waterproof.
Free chlorine, total chlorine
DGB-403F
Free chlorine, total chlorine, chlorine dioxide.
GENERAL FEATURE
* 515 nm LED light source.
* Methods are pre-installed with calibration curves built-in.
* 1 to 5 points calibration is supported.
* Auto-Read feature senses and locks the measurement endpoint.
* Data capacity of up to 200 sets for each testing method (GLP-compliant).
* Data stored can be transferred into the computer by USB communication interface.
* Auto-power-off feature effectively extends the battery usage time.
* Reset feature restore all option to factory default options.
* IP65 waterproof.
Specification
Model | DGB-403F | DGB-402F | ||
Residual chlorine/total chlorine | Range | （0.00～5.00）mg/L | （0～5）mg/L | |
Resolution | 0.001mg/L 0.001ABS | ● | ||
Accuracy | ≤1mg/L: ±0.05 mg/L: ˃1mg/L: ±5%; | ● | ||
Repeatability | ≤2.0% | |||
Lower detection limit | ≤0.02mg/L; | ● | ||
Chlorine dioxide | Range | （0.00～10.00）mg/L | ||
Resolution | . 0.001mg/L 0.001ABS | |||
Accuracy | ≤2mg/L: ±0.10 mg/L, ˃2mg/L: ±5% | |||
Lower detection limit | ≤0.04mg/L. | |||
General | Light source | LED | ● | |
Wavelength of light | 515nm | ● | ||
Power supply | AA Battery or 5V DC 1A | ● | ||
Dimension (mm)& Weight (kg) | 230 * 86 * 47, 0.4 | ● | ||
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FAQ
Q1: Why Choose NANBEI ?
(1).Professional manufacturer with more than 13 years experience
(2).Exported to more than 97% Countries
(3).Turnkey Solution is no problem
Q2:OEM,ODM acceptable or not?
Absolutely Yes
Q3:What's kind of Payment terms for customer choosing?
T/T ,Western Union, Money Gram , Credit Card, Paypal , L/C ...
Q4:Can we visit your factory online?
Absolutely no problem
Q5:Can online video inspection before shipment?
Absolutely no problem
Q6: what's the MOQ ? Sample order is OK?
MOQ:1 set, sample order is no problem
Q7:What's kind of shipment for customer choosing?
Usually ship by sea, by air, by international express .
We can also provide reasonable solutions according to your transportation requirements
Q8:How to ensure product quality and after-sales service?
We have CE, ISO quality certificate, and SGS authentication.
After-sale service:
1.Warranty : 1 year
2.We supply free part for quality problem in warranty
3.Long life technical support and service
Please send us inquiry to get more products information.